freebsd-dev/sys/tools/fdt/make_dtbo.sh

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#!/bin/sh
#
# $FreeBSD$
# Script generates dtbo file ($3) from dtso source ($2) in build tree S ($1)
S=$1
dtso="$2"
dtbo_path=$3
if [ -z "$dtso" ]; then
echo "No DTS overlays specified"
exit 1
fi
if [ -z "${MACHINE}" ]; then
MACHINE=$(uname -m)
fi
: "${DTC:=dtc}"
: "${ECHO:=echo}"
: "${CPP:=cpp}"
for d in ${dtso}; do
dtb="${dtbo_path}/$(basename "$d" .dtso).dtbo"
${ECHO} "converting $d -> $dtb"
${CPP} -P -x assembler-with-cpp -I "$S/gnu/dts/include" -I "$S/dts/${MACHINE}" -I "$S/gnu/dts/${MACHINE}" -include "$d" /dev/null |
${DTC} -@ -O dtb -o "$dtb" -i "$S/dts/${MACHINE}" -i "$S/gnu/dts/${MACHINE}"
done